Detailed explanation of PHP imitation WeChat multiple image preview and upload examples

墨辰丷
Release: 2023-03-29 06:04:02
Original
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This article mainly introduces relevant information on the PHP imitation WeChat multi-picture preview and upload method. Friends who need it can refer to the

production picture area and the upload button #btn to replace the picture you want

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plupload upload

var uploader = new plupload.Uploader({//创建实例的构造方法 runtimes: 'html5,flash,silverlight,html4', //上传插件初始化选用那种方式的优先级顺序 browse_button: 'btn', // 上传按钮 url: "ajax.php", //远程上传地址 flash_swf_url: 'plupload/Moxie.swf', //flash文件地址 silverlight_xap_url: 'plupload/Moxie.xap', //silverlight文件地址 filters: { max_file_size: '10mb', //最大上传文件大小(格式100b, 10kb, 10mb, 1gb) mime_types: [//允许文件上传类型 {title: "files", extensions: "jpg,png,gif,jpeg"} ] }, multi_selection: true, //true:ctrl多文件上传, false 单文件上传 init: { FilesAdded: function(up, files) { //文件上传前 if ($("#ul_pics").children("li").length > 30) { alert("您上传的图片太多了!"); uploader.destroy(); } else { var li = ''; plupload.each(files, function(file) { //遍历文件 li += "
  • 0%

  • "; }); $("#ul_pics").prepend(li); uploader.start(); } }, UploadProgress: function(up, file) { //上传中,显示进度条 var percent = file.percent; $("#" + file.id).find('.bar').css({"width": percent + "%"}); $("#" + file.id).find(".percent").text(percent + "%"); }, FileUploaded: function(up, file, info) { //文件上传成功的时候触发 var data = eval("(" + info.response + ")");//解析返回的json数据 $("#" + file.id).html("");//追加图片 }, Error: function(up, err) { //上传出错的时候触发 alert(err.message); } } }); uploader.init();
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    ajax delete uploaded pictures

    function delPic(pic, file_id) { //删除图片 参数1图片路径 参数2 随机数 if (confirm("确定要删除吗?")) { $.post("del.php", {pic: pic}, function(data) { $("#" + file_id).remove() }) } }
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    Summary: The above is the entire content of this article, I hope it can help everyone learn Helps.

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